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authorTomi Valkeinen <tomi.valkeinen@ti.com>2013-03-13 13:22:30 +0100
committerTomi Valkeinen <tomi.valkeinen@ti.com>2013-06-17 13:00:40 +0200
commit12ca755ba1c8714175f55ac069d8b51d9448778c (patch)
treec77bdd2d92f1a41250a5d4911ccf70a5b9835f49
parentOMAPDSS: add omap_dss_find_output() (diff)
downloadlinux-12ca755ba1c8714175f55ac069d8b51d9448778c.tar.xz
linux-12ca755ba1c8714175f55ac069d8b51d9448778c.zip
OMAPDSS: add omap_dss_find_output_by_node()
Add a support function to find a DSS output by given DT node. This is used in later patches to link the panels to DSS outputs. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
-rw-r--r--drivers/video/omap2/dss/output.c13
-rw-r--r--include/video/omapdss.h1
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/output.c b/drivers/video/omap2/dss/output.c
index 3274628e0ea1..4d01001497f4 100644
--- a/drivers/video/omap2/dss/output.c
+++ b/drivers/video/omap2/dss/output.c
@@ -128,6 +128,19 @@ struct omap_dss_output *omap_dss_find_output(const char *name)
}
EXPORT_SYMBOL(omap_dss_find_output);
+struct omap_dss_output *omap_dss_find_output_by_node(struct device_node *node)
+{
+ struct omap_dss_output *out;
+
+ list_for_each_entry(out, &output_list, list) {
+ if (out->pdev->dev.of_node == node)
+ return out;
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(omap_dss_find_output_by_node);
+
static const struct dss_mgr_ops *dss_mgr_ops;
int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops)
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index 0b4f718a63c8..25a944e080b4 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -781,6 +781,7 @@ struct omap_overlay *omap_dss_get_overlay(int num);
struct omap_dss_output *omap_dss_get_output(enum omap_dss_output_id id);
struct omap_dss_output *omap_dss_find_output(const char *name);
+struct omap_dss_output *omap_dss_find_output_by_node(struct device_node *node);
int omapdss_output_set_device(struct omap_dss_output *out,
struct omap_dss_device *dssdev);
int omapdss_output_unset_device(struct omap_dss_output *out);